Home / 3,199.21-4,414.90-1,872.66

Finding the Fourth Proportional to 3,199.21, 4,414.90 and 1,872.66

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Solution

The fourth proportional to 3,199.21, 4,414.90 and 1,872.66 is: 2,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.21 : 4,414.90 = 1,872.66 : x
  2. Step 2: Convert to fraction form
    3,199.21/4,414.90 = 1,872.66/x
  3. Step 3: Cross multiply
    3,199.21x = 4,414.90 × 1,872.66
  4. Step 4: Simplify right side
    3,199.21x = 8,267,606.63
  5. Step 5: Solve for x
    x = 8,267,606.63/3,199.21
  6. Step 6: Final answer
    x = 2,584.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.